Application: - for cleaning car radiator and heating systems to help improve reduced radiator performance, for cleaning after engine repairs, or for cleaning prior to a coolant change Conditions of use: - drain existing coolant, fill the cooling system with fresh water, adding the radiator cleaner, leave the engine running at operating temperature for around 30 minutes, remove dirty mixture, for stubborn deposits, repeat procedure, wash out the system with clean water and drain, refill the system with fresh coolant as recommended for your car, ventilate and check sealing, suitable for up to 10 litres of coolant capacity Advantages: - cleans car radiator and heating systems removes and binds oil and grease residue permeates and removes deposits and corrosion residues protection of new coolant against older dirt